In addition to appearing on New Thinking Allowed, to talk about the medium Eusapia Palladino, Dr Carlos Alvarado has also written a series of blog posts in which he recommends literature.
Eusapia Palladino: Remembering a Great Physical Medium with Carlos Alvarado [EXTERNAL LINK].
Catching Up with the Old Psychical Research Literature — III [EXTERNAL LINK].
Catching Up with the Old Psychical Research Literature — II [EXTERNAL LINK].
Catching Up with the Old Psychical Research Literature — I [EXTERNAL LINK].